خيارات البحث
النتائج 1 - 10 من 31
Changement du systeme climatique: les dernieres decouvertes scientifiques.
1994
The carbon budget of Canadian forests: A sensitivity analysis of changes in disturbance regimes, growth rates, and decomposition rates.
1994
Kurz W.A. | Apps M.J.
[Effects of CO2 on the climate]
1987
Midot, S. (Electricite de France (France). Departement Prospective Environnement Communication, Service des Etudes Economiques Generales)
Protective measures for water resources [water protection policies]
1991
Joerg, R. (Ministry of Interior of the State of Bavaria, Munich (Germany))
The carbon cycle and xenobiotic compounds
1993
McEldowney, S. | Hardman, D.J. | Waite, S. (Division of Biotechnology, University of Westminster, London (United Kingdom))
Red spruce and loblolly pine nutritional responses to acidic precipitation and ozone
1995
Edwards, G.S. | Sherman, R.E. | Kelly, J.M. (Tennessee Valley Authority, Forestry Bldg, Norris, Tennessee 37828 (USA))
Turnover of carbon and nitrogen in coniferous forest soils of different N-status and under different 15NH4-N application rate
1998
Sjoberg, R.M. | Persson, T. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, P.O. Box 7072, S-750 07 Uppsala (Sweden))
Modelling the effects of nitrogen addition on soil nitrogen status and nitrogen uptake in a Norway spruce stand in Denmark
1998
Beier, C. | Eckersten, H. (RISO National Laboratory, P.O. Box 49, DK-4000 Roskilde (Denmark))
Does (K+Mg+Ca+P) fertilization lead to recovery of tree health in a nitrogen stressed Quercus rubra L. stand?
1994
Boxman, A.W. | Cobben, P.L.W. | Roelofs, J.G.M. (Department of Ecology, Section of Environmental Ecology, University of Nijmegen, PO Box 9010, NL-6500 GL Nijmegen (Netherlands))
